2006 Confidence Interval Detail
028/Caldwell
028-906/Prairie Lea ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,833,690 | 0.8247 | 4,648,587 | 8 | 92 | .040430239 |
| A | 3,794,946 | 0.9929 | 3,822,083 | 8 | 53 | .021600006 |
| A | 3,908,103 | 1.0151 | 3,849,968 | 6 | 38 | .019312459 |
| A | 3,717,956 | 1.0253 | 3,626,213 | 5 | 24 | .016045012 |
| D3 | 19,940,101 | 0.9334 | 21,362,868 | 20 | 850 | .057097609 |
| G1 | 7,590,040 | 1.0144 | 7,482,295 | 5 | 23 | .005708797 |
| G1 | 8,172,820 | 1.0952 | 7,462,400 | 4 | 8 | .023814608 |
| G1 | 7,529,410 | 0.9994 | 7,533,930 | 3 | 5 | .001113877 |
| G1 | 6,417,810 | 0.7150 | 8,975,958 | 2 | 3 | .309365868 |
| Random Totals: | 64,904,876 | 68,764,302 | 61 | 1,096 | ||
| Catg J Exception Values: | 1,539,526 | 1,185,207 | ||||
| Catg D1 Exception Values: | 1,398,841 | 1,558,264 | ||||
| Total Test Values (4): | 67,843,243 | 71,507,773 |
Margin of Error
| Margin of Error Percent: | 6.7858217 |
|---|---|
| Margin of Error Value: | 4,852,390 |
Confidence Interval Values (5)
| State Lower Limit: | 66,655,383 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 67,843,243 | (Within Confidence Interval) |
| State Upper Limit: | 76,360,163 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 79,797,323 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories